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Finding the Fourth Proportional to 181,703.70, 250,536.54 and 124,370.64

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Solution

The fourth proportional to 181,703.70, 250,536.54 and 124,370.64 is: 171,484.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,703.70 : 250,536.54 = 124,370.64 : x
  2. Step 2: Convert to fraction form
    181,703.70/250,536.54 = 124,370.64/x
  3. Step 3: Cross multiply
    181,703.70x = 250,536.54 × 124,370.64
  4. Step 4: Simplify right side
    181,703.70x = 31,159,389,823.19
  5. Step 5: Solve for x
    x = 31,159,389,823.19/181,703.70
  6. Step 6: Final answer
    x = 171,484.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.